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Finding the Fourth Proportional to 363,615.60, 545,422.71 and 163,702.38

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Solution

The fourth proportional to 363,615.60, 545,422.71 and 163,702.38 is: 245,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,615.60 : 545,422.71 = 163,702.38 : x
  2. Step 2: Convert to fraction form
    363,615.60/545,422.71 = 163,702.38/x
  3. Step 3: Cross multiply
    363,615.60x = 545,422.71 × 163,702.38
  4. Step 4: Simplify right side
    363,615.60x = 89,286,995,733.05
  5. Step 5: Solve for x
    x = 89,286,995,733.05/363,615.60
  6. Step 6: Final answer
    x = 245,553.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.